Researchers found associations between body fat percentage and brain volume, with smaller gray matter volumes observed in men and women. The study suggests that obesity may contribute to negative health consequences such as dementia and cognitive decline.
Scientists created smart glues from human stem cells that can repair chronic wounds, protecting the cells from aggressive environments. The new technology uses natural enzymes to grow artificial extracellular matrices, paving the way for tissue engineering advancements.
Two new bird species, Wakatobi white-eye and Wangi-wangi white-eye, discovered in Indonesia's Sulawesi archipelago. The discoveries shed light on the complexities of species separation and highlight the need for conservation efforts to safeguard these unique habitats.
A study led by NYU Dentistry researchers reveals that a mutation in the ORAI1 gene causes calcium deficiency in enamel cells, leading to defective dental enamel mineralization. The study identified ORAI1 as the dominant protein for calcium influx and provided insights into the mechanisms by which calcium affects enamel cell function.
Researchers studied Holocene landform changes in northern China's desert belt, finding sand seas and sandy lands are vulnerable to climate change and human activities. The study provides insights into Earth surface processes and supports ecologically sustainable land use strategies.
Researchers at Arizona State University have developed a method to render the CRISPR-Cas9 gene editing tool 'immunsilent', allowing for reliable and stealthy gene repair. This breakthrough brings CRISPR closer to safe clinical application, addressing key safety concerns.
Two new studies warn that countries like the US, China, and EU will struggle to meet their emissions targets without significant reductions. The research suggests that even if these high-emitting countries strengthen their commitments, other nations would need to achieve near-zero emissions by 2030 to limit global warming to 1.5 degree...
A new prediction tool uses functional impairments and traditional factors to identify patients over 75 who may require repeat hospitalization. Impaired mobility, measured by the Timed Up and Go test, is the only functional impairment associated with 30-day readmission.
Researchers at ETH Zurich discovered that bacteria in a microfluidic T-maze exhibit diverse chemotactic sensitivity due to genetic variations, allowing some individuals to outperform others. This phenotypic heterogeneity may provide an evolutionary advantage for the bacteria, enabling them to adapt to changing environments.
Researchers at the University of Otago successfully interact two individual atoms in a controlled setting, showcasing potential for new quantum technologies. This achievement represents a significant step towards creating robust entanglement technology.
Researchers have observed hallmarks of supersolidity in ultracold atomic gases, featuring a self-determined crystalline structure while sharing the same macroscopic wavefunction. The dysprosium quantum gas realization shows unprecedented stability, paving the way for probing its excitation spectrum and superfluid behavior.
A recent study analyzing data from over 51,000 people found that most Americans spend at least two hours per day sitting and watching television or videos. Sedentary behavior is linked to poor health in many areas, and reducing it could have a significant impact on overall health.
A new study found that CBD buffers against THC's effects on the brain, potentially making higher-CBD cannabis strains less harmful. The research used fMRI to gauge how different cannabis strains impact brain function.
Researchers at Cornell University have discovered a cost-effective and accurate way for self-driving cars to perceive 3D objects, reducing the reliance on expensive LiDAR sensors. The new method uses two inexpensive cameras on either side of the windshield to detect objects with nearly LiDAR's accuracy.
Research by scientists from Cornell University and the University of Sheffield finds that balancing selection is responsible for maintaining the diversity of head colors in Gouldian Finches. This process allows both red- and black-headed finches to coexist, with each having advantages and disadvantages, resulting in a stable polymorphism.
A study published in the journal Obesity found that nonhuman primates on a Mediterranean diet ate fewer calories, had lower body weight, and less body fat compared to those on a Western diet. The findings suggest that a Mediterranean diet may protect against obesity-related diseases.
A study found that poor air quality significantly increases the risk of hospitalizations for respiratory issues in young cancer survivors, particularly those who received chemotherapy. The researchers tracked nearly 4,000 survivors and found that even low levels of PM2.5 can contribute to respiratory problems.
Researchers analyzed neurofilament light protein in blood samples to detect accelerating nerve cell damage in the brain. The study suggests that blood tests can indicate if a drug affects nerve cell loss, improving diagnosis and treatment of Alzheimer's disease.
A new study by University of South Florida researchers found that losing just 16 minutes of sleep can impair job performance, causing workers to experience cognitive issues and struggle with work-life balance. The study suggests workplaces should prioritize promoting employees' sleep to improve focus and reduce errors.
A global atlas offers a new way to map coral reefs from space, containing over 65,000 square kilometers of coral reefs and surrounding habitats. The high-resolution maps provide information on shallow water marine habitats, helping track changes in reef composition and structure over time.
This observational study found that state Medicaid expansion under the Affordable Care Act was associated with reduced rates of low birth weight and preterm births among black infants, but not Hispanic or white infants. The study used data from 15.6 million births between 2011-2016.
A risk model has been devised by Dana-Farber Cancer Institute researchers to classify patients with asymptomatic Waldenström macroglobulinemia into low, intermediate, or high risk of developing symptomatic disease. The model uses four biomarkers and was validated on two external cohorts with high accuracy and precision.
Researchers at the University of British Columbia found that mice segregate their living and waste areas, suggesting a need for 'en suite bathrooms' in laboratory settings. The study showed that mice create separate compartments for nesting and eliminating waste, moving bedding and materials between cages to maintain comfort.
A new book examines historic examples of civility, such as those from the New Deal era, to provide insights for improving civil discourse. The author and co-editors argue that ordinary people can play a crucial role in shaping democratic discussion.
Researchers found that people's attitudes towards avoiding negative outcomes versus achieving positive outcomes affect their performance in response to gamified feedback during simulation-based training exercises. The study suggests that personalized gamification can boost training, but only if individual differences are taken into acc...
A new study published in Medical Acupuncture found that acupuncture significantly improved psychological and pain symptoms associated with post-traumatic stress disorder (PTSD) following a natural disaster. The treatment was effective in reducing symptoms without any serious adverse effects.
A new study found no major differences in gut microbiomes of people infected with roundworms or hookworms and uninfected peers. However, curing hookworm infections resulted in specific changes to the microbiome, while deworming had minimal effects.
The researchers developed a universal beam shaping technique that spatially separates residual and extracted components in the Fourier plane using a virtual diagonal phase grating. This allows for highly uniform flattop beams with improved resolution and accuracy, suppressing edge ripples to 20 μm.
Scientists at Hokkaido University discovered a compound in cycad roots that triggers the transformation of Nostoc bacteria into motile hormogonia. This process enables the bacteria to provide nitrogen to host plants, potentially leading to more efficient and fertilizer-dependent agricultural production.
A massive field trial in Sweden found that clothianidin has no negative effect on honeybee colonies, but disrupts growth and threatens survival of bumblebee colonies. The study confirms previous findings and highlights the importance of wild bee trials in pesticide risk assessment.
A new project at the Carl R. Woese Institute for Genomic Biology aims to discover a thousand new ribosomally synthesized and post-translationally modified peptides (RiPPs) using synthetic biology and automation. The project uses an automated robotic system, called iBioFAB, to identify new RiPPs and create new molecules.
A new study reveals that bumble bee populations in Michigan have decreased significantly over the past century, with 12 out of 19 species experiencing declines. The research found that bumble bees that collect pollen from a narrower range of plants are more likely to decline.
The new collimator sets up Newtonian mechanics that could be adapted for practical use in beam-driven gyroscopes, helping track motion and changes in location. It also enables experimental physicists to create complex quantum states, and its beams are streams of unwavering inertia due to the atoms' mass and momentum.
A new report synthesizes existing evidence on phenological shifts in the Gulf of Maine, highlighting the need for increased research and data incorporation. Marine species are responding to climate change through timing changes, with fish, birds, and mammals affected in various ways.
Researchers have developed a new approach to repair defects in fetal membranes, which may prevent preterm birth and life-long medical conditions. By targeting a specific protein, they found that reducing its activity encourages rebuilding of the fetal membranes, enhancing tissue healing and repair.
Researchers analyzed over 850 drug-resistant E. coli genomes to identify survival strategies, finding that clones use niche separation and NFDS to evolve and succeed in the host environment. The study's findings highlight the importance of understanding bacterial ecology to develop effective prevention methods.
The study discovered that the 'longevity gene' SIRT6 is responsible for more efficient DNA repair in species with longer lifespans. This gene's enhanced activity in organisms like beavers contributes to their extended lifespan, highlighting a potential target for anti-aging interventions.
Research at Lund University explores how lifestyle affects gene activity in human tissues, including adipose tissue, skeletal muscle, pancreatic islets, liver, and blood. The study reveals the role of epigenetic changes in disease development and potential novel treatments.
A randomized controlled trial found that texting patients with schizophrenia improved medication adherence by 27%, reducing relapses and re-hospitalizations. The LEAN program, which combines lay health supporters and mobile texting, was effective in resource-poor settings.
Scientists have developed an inexpensive and environmentally friendly way to produce artificial nacre, a tough material found in mother-of-pearl, using bacteria. The novel material has the same mechanical properties as natural nacre and can be bendable, making it suitable for medical applications and construction.
Researchers have engineered molecules that restrict access to heme, an oxygen-binding molecule, to slow the growth of lung cancer tumors in mice. By starving cancer cells of this essential molecule, the new approach may provide a potential new path forward in treating non-small cell lung cancer.
Long-term thiazide use significantly reduces the risk of low-energy fractures in people with Alzheimer's disease. The association was strongest for hip fractures, which saw a 30% decrease in risk.
Researchers analyzed B. fragilis' evolution in humans, finding 16 genes evolve within individuals, targeting pathways for fiber uptake and immune system interactions. The study also revealed differences in mutations between Western and Eastern cultures, with potential implications for probiotic choices and microbial therapies.
A University at Buffalo researcher and his team tested the impact of response options on the reliability of psychological measures, finding that six options appears to be the magic number for optimal accuracy. They argue that too few or too many options can lead to inaccurate results due to human cognitive limitations.
A new protein-based sensor can detect tiny amounts of lanthanides, a crucial component of smartphone screens and electronics. The sensor uses a shape change to bind to the metal, allowing for rapid and inexpensive detection at the location of sampling.
The study found that Americans spent more time sitting, with 62% of children, adolescents, and adults watching TV or videos for at least 2 hours a day in 2015-2016. The proportion of people using computers during leisure time increased across all age groups from 43% to 56%.
A new genetic test, known as the Obesity Genome-wide Polygenic Score (GPS), has been developed to predict an individual's risk of developing severe obesity. The test uses a genetic score based on over 2 million variations in a person's genetic code and shows high predictive power.
The dengue mosquito is the primary transmitter of Zika virus in Queensland, with a 50-60% transmission rate. The discovery suggests that Zika could persist in mosquito populations, posing a risk to human health.
The International Cytokine & Interferon Society awards two scientists, Dr. Akiko Iwasaki and Dr. Hao Wu, for their outstanding contributions to cytokine and interferon research. Their work has led to paradigm shifts in understanding immune responses and vaccine design.
A new triplex TaqMan assay has been developed to improve the reliability of Xylella fastidiosa diagnostics, targeting two loci for increased specificity. Next-generation sequencing technology was also used to analyze DNA extracts from infected and healthy plants.
A hospital electronic health record system with diagnostic stewardship strategy reduced inappropriate GI test use by 46% and saved up to $168,000. The hardwired alerts and 'hard stop' feature improved care without compromising quality.
A SHEA white paper outlines how IT can improve antimicrobial use, track outcomes, and reduce provider burden. The role of EHR and 'add-on' clinical decision support systems is explored to enhance stewardship programs.
A new study published in Orthopedics found that pre-operative daily life disability is a significant predictor of poor outcomes after total hip replacement surgery. Patients who cannot perform daily activities independently before surgery are more likely to experience surgical complications, longer hospital stays, and higher rates of r...
Scientists at DZNE and University of Bonn found that regulatory T cells use the protein HPGD to suppress inflammation in adipose tissue, preventing insulin resistance and type 2 diabetes. HPGD also showed a correlation with reduced levels in patients with diabetes.
Researchers at the University of Zurich have developed a simple and fast method for radiolabelling antibodies against breast cancer using UV light. The new procedure allows for the production of radioactive drugs and diagnostic agents in under 20 minutes, making it a game-changer for PET imaging and targeted radioimmunotherapy.
Scientists at Estonian Research Council developed a new method for improving air purifier efficiency by analyzing oxygen adsorption. The research, published in Surfaces and Interfaces, found that oxygen plays a significant role in photocatalytic processes alongside UV radiation.
Researchers identified four genomic subtypes in smokers with precancerous lesions, where immune response is impaired. The study suggests that a therapeutic could reactivate the immune system to intercept lung cancer.
The study identifies a distinct control architecture in brain networks, characterized by a distributed and overlapping control system that enables robustness against targeted attacks and high efficiency in switching between network states. This finding has broad implications for cognitive neuroscience and clinical applications.
Researchers developed techniques to improve mmWave network performance by utilizing low frequency bands to infer channel characteristics of high frequency millimeter-wave bands. This enables beam tracking, angle of arrival estimation, and location information, reducing control overhead required to operate the network.
The discovery of channelrhodopsin-2 reveals two parallel paths in the activation of the ion channel by light, allowing for optimized applications in optogenetics. This understanding could lead to treatments for blind individuals and patients with agitated paralysis in Parkinson's disease.